Last updated: 2025 BLS data · Page refreshed:
How much does a Engine and Other Machine Assemblers actually take home in Idaho?
5.8% flat rate — 21.8% effective total tax rateData: BLS OEWS 2025 + IRS/State Tax Brackets 2024 • Updated 2026-05-19
Detailed line-by-line tax calculation for a Engine and Other Machine Assemblers earning $54,240 in Idaho (single filer, standard deduction).
| Tax Component | Annual Amount | Effective Rate |
|---|---|---|
| Gross Salary (Median) | $54,240 | — |
| Federal Income Tax | -$4,524 | 8.3% |
| Idaho State Income Tax | -$3,145 | 5.8% |
| Social Security (OASDI) | -$3,362 | 6.2% |
| Medicare | -$786 | 1.5% |
| Total Taxes | -$11,820 | 21.8% |
| Take-Home Pay | $42,419 | 78.2% |
Take-home pay varies significantly across experience levels. Here is the after-tax breakdown for each salary percentile of Engine and Other Machine Assemblers in Idaho.
| Percentile | Gross Salary | Total Taxes | Take-Home Pay | Tax Rate |
|---|---|---|---|---|
| 10th Percentile (P10) | $47,130 | -$10,010 | $37,119 | 21.2% |
| 25th Percentile (P25) | $49,390 | -$10,585 | $38,804 | 21.4% |
| Median (P50) | $54,240 | -$11,820 | $42,419 | 21.8% |
| 75th Percentile (P75) | $63,560 | -$14,373 | $49,186 | 22.6% |
| 90th Percentile (P90) | $66,530 | -$15,425 | $51,104 | 23.2% |
After federal income tax ($4,524), state tax ($3,145), and FICA ($4,149), a Engine and Other Machine Assemblers in Idaho takes home $42,419 per year — or $3,534 per month. The effective tax rate of 21.8% is relatively low compared to the national range.
With an effective total rate of 21.8%, a Engine and Other Machine Assemblers in Idaho keeps $42,420 of $54,240 gross — roughly typical for U.S. middle-income earners once federal, FICA and state taxes are combined.
Idaho applies a flat state income tax — every dollar of wage income is taxed at the same rate. For this Engine and Other Machine Assemblers salary that contributes $3,146 to the 5.8% effective state-tax burden.
Federal tax on this Engine and Other Machine Assemblers salary is $4,525 (38%), but combined state ($3,146, 27%) + FICA ($4,149, 35%) make up the other 62% of the bill.
Moving this same Engine and Other Machine Assemblers salary to a zero-state-tax state would yield around $45,566 net — a gain of $3,146 (7.4%) per year versus Idaho.
Idaho ranks #12 of 35 states for Engine and Other Machine Assemblers after-tax pay — comfortably in the upper half.
Translated into paycheck cadences, $42,420 net/year works out to $3,535/month or $1,632/bi-weekly for this Engine and Other Machine Assemblers in Idaho — the numbers that actually hit a checking account after every deduction.
Where does a Engine and Other Machine Assemblers keep the most of their paycheck? Top 10 states ranked by after-tax take-home pay.
Idaho ranks #12 out of 35 states for Engine and Other Machine Assemblers after-tax take-home pay.
A Engine and Other Machine Assemblers in Idaho earning a median salary of $54,240 will take home approximately $42,419 per year after federal income tax ($4,524), state income tax ($3,145), and FICA ($4,149). That is $3,534 per month or $1,631 per bi-weekly paycheck.
The effective total tax rate for a Engine and Other Machine Assemblers in Idaho is 21.8%, broken down as: federal income tax 8.3%, Idaho state tax 5.8%, and FICA (Social Security + Medicare) 7.6%. This assumes a single filer with the standard deduction for 2024.
Idaho has a 5.8% flat rate. On a Engine and Other Machine Assemblers's median salary of $54,240, the state income tax amounts to $3,145 per year, which is an effective state rate of 5.8%.
After all taxes, a Engine and Other Machine Assemblers in Idaho takes home approximately $3,534 per month, or about $20.39 per hour (based on a standard 2,080-hour work year). These figures assume a single filer, standard deduction, and no additional pre-tax deductions.
We start with the 2025 BLS median salary of $54,240 for Engine and Other Machine Assemblers in Idaho, then subtract: federal income tax using 2024 IRS brackets ($14,600 standard deduction), Idaho state income tax (5.8% flat rate), Social Security (6.2% up to $168,600), and Medicare (1.45%). The result — $42,419/yr — does not include local taxes, pre-tax deductions (401k, HSA), or tax credits.
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This estimate assumes a single filer using the 2024 standard deduction ($14,600), with W-2 employment income only. It does not account for: itemized deductions, tax credits (e.g. earned income credit, child tax credit), local/city taxes, pre-tax contributions (401k, HSA, FSA), self-employment tax, or additional income sources. Actual take-home pay may differ. Consult a tax professional for personalized advice.
Our Methodology · Data Sources · Salary: BLS OEWS · Tax: IRS + State DOR